F
An F is a shape, not a specification. 2 designations share it here, running 26000 mAh wherever the maker publishes a figure, and the maker publishes 1.5 V for 1 of the 2, leaving 1 designation without a published voltage.
An F is a shape, not a specification. 2 designations share it here, running 26000 mAh wherever the maker publishes a figure, and the maker publishes 1.5 V for 1 of the 2, leaving 1 designation without a published voltage.